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I have a 2x 21in. dell 2005 FPW with a Single Link DVI-D. I have a EVGA GTX 760 SC with Dual Dual Link DVI-D / DVI-I. Can I use A Dual Link DVI-D cable on both.

So in the future i dont have to buy the Dual link after buying a single link.

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Please do not add a signature to your posts, that is what the card in the bottom right corner is for –  Scott Chamberlain Jul 9 '13 at 4:19
    
np didn't know, didt have card filled out at the time. –  CHEMLIGHT Jul 9 '13 at 7:56

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Dual link cables just have 6 extra pins that single link cables do not. The monitor side will usually not plug up the holes that are not used so you should be able to use a Dual Link cable on it (You will likely be able to use a DVI-I Dual Link cable if it's got empty slots for the analog pins (red in the below image)

Click the image below for a larger view. Color coded representation of a DVI connector

Here is another image comparing the different types of connections with the different pin-outs. Most monitors will have a DVI-I(Dual Link) recepticial, even if they only connect up the DVI-D(Single Link) wires.

Comparison of pinouts


Both images taken from the Wikipedia page on DVI

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i do appreciate your answer and help. i see i have the pins on the monitor that look like the dvi-d dual link image. i just wasn't sure because its an older monitor and the specs only say dvi-d.and the monitor back in the day came with dvi-d single link.i just never been using the dual link and never gave it any thought til i got the new vid card for it.hence my machine was my first build and its a 939 with koolance first cooler system. everything in it around it is from that era except this new vid card.9800 gtx's took a crapper. many thanks ~CHEM –  CHEMLIGHT Jul 9 '13 at 6:10

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